<!--
 * @由于个人水平有限, 难免有些错误, 还请指点:  
 * @Author: cpu_code
 * @Date: 2020-10-23 14:25:52
 * @LastEditTime: 2020-10-23 20:18:37
 * @FilePath: \web\bootstrap\navigation_bar\navigation_bar.html
 * @Gitee: [https://gitee.com/cpu_code](https://gitee.com/cpu_code)
 * @Github: [https://github.com/CPU-Code](https://github.com/CPU-Code)
 * @CSDN: [https://blog.csdn.net/qq_44226094](https://blog.csdn.net/qq_44226094)
 * @Gitbook: [https://923992029.gitbook.io/cpucode/](https://923992029.gitbook.io/cpucode/)
-->
<!DOCTYPE html>
<html lang="zh-CN">
    <head>
        <meta charset="UTF-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->

        <title>bootstrap 导航条</title>

        <!-- Bootstrap -->
        <link href="../css/bootstrap.min.css" rel="stylesheet">

        <!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery，所以必须放在前边) -->
        <script src="../js/jquery-3.2.1.min.js"></script>

        <!-- 加载 Bootstrap 的所有 JavaScript 插件。你也可以根据需要只加载单个插件。 -->
        <script src="../js/bootstrap.min.js"></script>
    </head>

    <body>
        <nav class="navbar navbar-inverse">
            <div class="container-fluid">
                <!-- Brand and toggle get grouped for better mobile display -->
                <div class="navbar-header">
                    <!-- 定义汉堡按钮 -->
                    <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" 
                    data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                        <span class="sr-only">Toggle navigation</span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                    </button>
                    <a class="navbar-brand" href="#">首页</a>
                </div>

                <!-- Collect the nav links, forms, and other content for toggling -->
                <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
                    <ul class="nav navbar-nav">
                        <li class="active">
                            <a href="#">link
                                <span class="sr-only">(current)</span>
                            </a>
                        </li>

                        <li><a href="#">Link</a></li>

                        <li class="dropdown">
                            <a href="#" class="dropdown-toggle" data-toggle="dropdown" 
                            role="button" aria-haspopup="true" aria-expanded="false">
                                Dropdown
                                <span class="caret"></span>
                            </a>

                            <ul class="dropdown-menu">
                                <li><a href="#">Action</a></li>
                                <li><a href="#">Another action</a></li>
                                <li><a href="#">Something else here</a></li>
                                <li role="separator" class="divider"></li>
                                <li><a href="#">Separated link</a></li>
                                <li role="separator" class="divider"></li>
                                <li><a href="#">One more separated link</a></li>
                            </ul>
                        </li>
                        
                    </ul>

                    <ul class="nav navbar-nav navbar-right">
                        <li><a href="#">Link</a></li>
                        
                        <li class="dropdown">
                            <a href="#" class="dropdown-toggle" data-toggle="dropdown" 
                            role="button" aria-haspopup="true" aria-expanded="false">
                                Dropdown
                                <span class="caret"></span>
                            </a>

                            <ul class="dropdown-menu">
                                <li><a href="#">Action</a></li>
                                <li><a href="#">Another action</a></li>
                                <li><a href="#">Something else here</a></li>
                                <li role="separator" class="divider"></li>
                                <li><a href="#">Separated link</a></li>
                            </ul>
                        </li>
                    </ul>
                </div><!-- /.navbar-collapse -->
            </div><!-- /.container-fluid -->
        </nav>
    </body>
</html>